Seavey Island, Portsmouth Harbor (sub) Sea Conditions and Tide Table

Seavey Island, Portsmouth Harbor (sub) Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 05:41 AM and sunset is at 07:39 PM.

	Days 1–3 Weather Summary Some drizzle, heaviest during Sun night. Cool air temperatures (max 16°C on Sun night, min 7°C on Sat morning). Wind will be generally light.									Days 4–6 Weather Summary Light rain (total 5mm), mostly falling on Tue night. Cool air temperatures (max 13°C on Thu morning, min 5°C on Tue night). Wind will be generally light.									Days 7–9 Weather Summary Light rain (total 6mm), mostly falling on Sat morning. Warm (max 20°C on Sun afternoon, min 11°C on Fri night). Wind will be generally light.									Days 10–12 Weather Summary Moderate rain (total 14mm), heaviest on Wed afternoon. Very mild (max 16°C on Mon afternoon, min 5°C on Wed night). Wind will be generally light.
	Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8
	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night	AM	PM	night
Wave Height Map See all maps
High Tide		2:36PM2.30m	2:36AM2.64m		3:21PM2.26m	3:23AM2.62m		4:11PM2.23m	4:16AM2.59m			5:08PM2.24m	5:15AM2.57m		6:09PM2.29m	6:20AM2.57m		7:11PM2.39m	7:28AM2.60m		8:12PM2.54m	8:33AM2.65m		9:09PM2.72m	9:35AM2.72m		10:02PM2.89m	10:32AM2.77m		10:52PM3.03m		11:27AM2.79m	11:41PM3.10m		12:19PM2.76m	00:29AM3.11m
Low Tide	8:20AM0.05m		8:23PM0.38m	9:03AM0.07m		9:08PM0.41m	9:52AM0.10m		10:00PM0.43m	10:46AM0.12m		10:59PM0.44m		11:46AM0.12m	00:04AM0.40m		12:48PM0.10m	1:11AM0.30m		1:50PM0.05m	2:18AM0.16m		2:48PM-0.02m	3:20AM-0.02m		3:43PM-0.09m	4:17AM-0.20m		4:35PM-0.13m		5:11AM-0.33m		5:24PM-0.12m	6:03AM-0.40m		6:13PM-0.08m
Wave height (m) direction period (s)	ESE 8	ESE 7	ESE 8	ESE 10	SSE 4	E 9	E 9	E 11	E 10	ENE 5	ENE 6	ESE 9	ESE 9	ESE 13	ESE 11	ESE 10	ESE 10	ESE 10	ESE 9	SSE 4	SSE 5	SSE 4	SE 5	SE 5	SE 11	SE 3	ESE 10	ESE 10	ESE 10	ESE 10	ESE 10	SSE 2	ESE 10	ESE 8	E 4	ESE 6

	clear	some clouds	cloudy	cloudy	cloudy	light rain	some clouds	some clouds	clear	cloudy	some clouds	rain shwrs	some clouds	clear	some clouds	clear	clear	clear	clear	some clouds	some clouds	mod rain	cloudy	some clouds	some clouds	some clouds	clear	some clouds	some clouds	some clouds	cloudy	cloudy	cloudy	light rain	mod rain	rain shwrs
km/h	SE	SE	SW	S	SSE	WSW	E	SE	NE	ESE	S	WSW	E	SE	SSE	SE	SSE	SSW	S	SSE	SSW	SSW	SSW	NW	S	W	WNW	WNW	N	NW	SE	SSE	SW	ENE	NE	N
mm	—	—	—	—	—	1.0	—	—	—	—	—	5	—	—	—	—	—	—	—	—	—	6	—	—	—	—	—	—	—	—	—	—	—	1.0	10	3
max°C	12	13	12	11	15	16	16	16	14	6	8	7	10	10	9	13	13	12	17	19	16	13	19	17	16	20	17	15	16	11	10	10	8	8	6	7
Moonrise	—	—	—	12:04	—	—	1:02	—	—	1:49	—	—	2:27	—	—	2:57	—	—	3:23	—	—	3:46	—	—	4:08	—	—	4:30	—	—	4:56	—	—	5:25	—	—
Moonset	7:27	—	—	8:19	—	—	9:21	—	—	10:32	—	—	11:49	—	—	1:07	—	—	2:25	—	—	—	3:43	—	—	5:02	—	—	6:21	—	—	7:42	—	—	—	9:03
	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—	—	5:35	—	—	5:33	—	—	5:33	—	—	5:31	—	—	5:30	—	—	5:28	—	—	5:28	—	—	5:26	—	—
	—	7:39	—	—	7:40	—	—	7:42	—	—	7:43	—	—	7:44	—	—	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—	—	7:50	—	—	7:51	—	—	7:52	—
	Today's sea temperature in Seavey Island, Portsmouth Harbor (sub) is 7.1 °C (Statistics for 27 Apr 1981-2005 – mean: 6.5 max: 8.1 min: 4.8°C)